390056520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6361}}^1$

素因数の和:6455

約数の個数: 128

約数和(自身を含む): 1355869440

約数和(自身を除く): 965812920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 6361, 7665, 8760, 10220, 12264, 12722, 15330, 19083, 20440, 25444, 30660, 31805, 38166, 44527, 50888, 61320, 63610, 76332, 89054, 95415, 127220, 133581, 152664, 178108, 190830, 222635, 254440, 267162, 356216, 381660, 445270, 464353, 534324, 667905, 763320, 890540, 928706, 1068648, 1335810, 1393059, 1781080, 1857412, 2321765, 2671620, 2786118, 3250471, 3714824, 4643530, 5343240, 5572236, 6500942, 6965295, 9287060, 9751413, 11144472, 13001884, 13930590, 16252355, 18574120, 19502826, 26003768, 27861180, 32504710, 39005652, 48757065, 55722360, 65009420, 78011304, 97514130, 130018840, 195028260, 390056520]

約数ペア:

[(1, 390056520), (2, 195028260), (3, 130018840), (4, 97514130), (5, 78011304), (6, 65009420), (7, 55722360), (8, 48757065), (10, 39005652), (12, 32504710), (14, 27861180), (15, 26003768), (20, 19502826), (21, 18574120), (24, 16252355), (28, 13930590), (30, 13001884), (35, 11144472), (40, 9751413), (42, 9287060), (56, 6965295), (60, 6500942), (70, 5572236), (73, 5343240), (84, 4643530), (105, 3714824), (120, 3250471), (140, 2786118), (146, 2671620), (168, 2321765), (210, 1857412), (219, 1781080), (280, 1393059), (292, 1335810), (365, 1068648), (420, 928706), (438, 890540), (511, 763320), (584, 667905), (730, 534324), (840, 464353), (876, 445270), (1022, 381660), (1095, 356216), (1460, 267162), (1533, 254440), (1752, 222635), (2044, 190830), (2190, 178108), (2555, 152664), (2920, 133581), (3066, 127220), (4088, 95415), (4380, 89054), (5110, 76332), (6132, 63610), (6361, 61320), (7665, 50888), (8760, 44527), (10220, 38166), (12264, 31805), (12722, 30660), (15330, 25444), (19083, 20440)]